import axios from 'axios'
import {Loading, Message} from 'element-ui'
import {saveAs} from 'file-saver'
import {getToken} from '@/utils/auth'
import errorCode from '@/utils/errorCode'
import {blobValidate} from "@/utils/ruoyi";

const baseURL = process.env.VUE_APP_BASE_API
let downloadLoadingInstance;

export default {
    oss(ossId) {
        var url = baseURL + '/system/oss/download/' + ossId
        downloadLoadingInstance = Loading.service({text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)",})
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {'Authorization': 'Bearer ' + getToken()}
        }).then((res) => {
            const isBlob = blobValidate(res.data);
            if (isBlob) {
                const blob = new Blob([res.data], {type: 'application/octet-stream'})
                this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))
            } else {
                this.printErrMsg(res.data);
            }
            downloadLoadingInstance.close();
        }).catch((r) => {
            console.error(r)
            Message.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close();
        })
    },
    contractTemplate(id) {
        var url = baseURL + '/contractTemplate/contractTemplate/downloadContractContent/' + id
        downloadLoadingInstance = Loading.service({text: "正在下载模版，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)",})
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {'Authorization': 'Bearer ' + getToken()}
        }).then((res) => {
            const isBlob = blobValidate(res.data);
            if (isBlob) {
                const blob = new Blob([res.data], {type: 'application/octet-stream'})
                this.saveAs(blob, decodeURIComponent(res.headers['download-filename']))
            } else {
                this.printErrMsg(res.data);
            }
            downloadLoadingInstance.close();
        }).catch((r) => {
            console.error(r)
            Message.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close();
        })
    },
    zip(url, name) {
        var url = baseURL + url
        downloadLoadingInstance = Loading.service({text: "正在下载数据，请稍候", spinner: "el-icon-loading", background: "rgba(0, 0, 0, 0.7)",})
        axios({
            method: 'get',
            url: url,
            responseType: 'blob',
            headers: {
                'Authorization': 'Bearer ' + getToken(),
                'datasource': localStorage.getItem("dataName")
            }
        }).then((res) => {
            const isBlob = blobValidate(res.data);
            if (isBlob) {
                const blob = new Blob([res.data], {type: 'application/zip'})
                this.saveAs(blob, name)
            } else {
                this.printErrMsg(res.data);
            }
            downloadLoadingInstance.close();
        }).catch((r) => {
            console.error(r)
            Message.error('下载文件出现错误，请联系管理员！')
            downloadLoadingInstance.close();
        })
    },
    saveAs(text, name, opts) {
        saveAs(text, name, opts);
    },
    async printErrMsg(data) {
        const resText = await data.text();
        const rspObj = JSON.parse(resText);
        const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default']
        Message.error(errMsg);
    }
}

